PurposeUSED TO TORQUE LARGE TENSION BOLTS ON THE FIN TO SECTION 48 BODY JOIN. TORQUE NOT TO EXCEED 2500 FT-LBS. ALSO USED TO REMOVE PREVIOUSLY INSTALLED TENSION BOLTS. USED IN CONJUNCTION WITH J53001 AND J53003 MAINTENANCE PLATFORM.Airplane777-200, 777-200ER, 777-200LR, 777-300, 777-300ER, 777-8, 777-9, 777FUsage CodeMAINTENANCE 